10:05 80 Hz clean pure sine wave BASS TEST TONE frequency 1:00 80 Hz Test Tone 0:36 25 - 150 Hz Audio Sweep 2:55 Ed Sheeran-Shape of you BASS BOOSTED 80HZ 8:32 CO 15 GRUZIN W POLSCE ŁAMIE PRAWO – TO NAJWIĘCEJ WŚRÓD OBCOKRAJOWCÓW 0:36 20 - 20,000 Hz Audio Sweep | Range of Human Hearing 2:11 The Binaural Girl - Stress Free - Alpha Sinus 80Hz - 85Hz (Binaural Beats, Binaural & Sleep Music) 3:03 SSTC PWM modulace sinus 80Hz